| Nictitation from Thomas? | 24 |
| Nide | 4 |
| Nide occupant | 13 |
| Nidi | 4 |
| Nidification | 12 |
| Nidification result | 19 |
| Nidified | 8 |
| Nidologist's concern | 24 |
| Nidus | 5 |
| Niece in Barber's opera "Vanessa" | 47 |
| Niece of Cecil B. DeMille | 25 |
| Niece of Sir Toby Belch, in "Twelfth Night" | 53 |
| Niece or aunt | 13 |
| Niece or aunt: Abbr. | 20 |
| Niece's polite interruption? | 32 |
| Niece, e.g.: Abbr. | 18 |
| Nieces and daughters | 20 |
| Niels Bohr's concern | 24 |
| Niels Bohr's study | 22 |
| Niels Bohr's subject | 24 |
| Niels Bohr, e.g. | 16 |
| Niels Bohr, for one | 19 |
| Niels of physics fame | 21 |
| Nielsen client since 2009 | 25 |
| Nielsen concern | 15 |
| Nielsen count | 13 |
| Nielsen group | 13 |
| Nielsen measure | 15 |
| Nielsen number | 14 |
| Nielsen numbers | 15 |
| Nielsen of "Airplane!" | 32 |
| Nielsen of "Mr. Magoo" | 32 |
| Nielsen of "Naked Gun" films | 38 |
| Nielsen of "Rocky IV" | 31 |
| Nielsen of "The Naked Gun" | 36 |
| Nielsen or Mann | 15 |
| Nielsen or Uggams | 17 |
| Nielsen output | 14 |
| Nielsen Ratings data category | 29 |
| Nielsen ratings participant | 27 |
| Nielsen ratings subjects | 24 |
| Nielsen ratings unit | 20 |
| Nielsen respondent | 18 |
| Nielsen statistic | 17 |
| Nielsen stats | 13 |
| Nielsen targets | 15 |
| Nielsen tracks ratings on them | 30 |
| Nielsen, to his pals | 21 |
| Nielsen, for one | 16 |
| Nielsen, to his buds | 20 |
| Nielsens | 8 |
| Nielson to friends | 18 |
| Nietzsche concept | 17 |
| Nietzsche recurring theme | 25 |
| Nietzsche said it stares back | 29 |
| Nietzsche tome | 14 |
| Nietzsche's "never" | 33 |
| Nietzsche's "no" | 30 |
| Nietzsche's "The ___ Day" | 39 |
| Nietzsche's "Thus_____ Zarathustra" | 49 |
| Nietzsche's "___ Antichrist" | 42 |
| Nietzsche's "_____ Homo" | 38 |
| Nietzsche's ideal | 21 |
| Nietzsche's negative | 24 |
| Nietzsche's no | 18 |
| Nieuport's river | 20 |
| Nieuwe ___, Rotterdam's river | 33 |
| Nieuwpoort river | 16 |
| Nieuwpoort's river | 22 |
| Niflheim ruler | 14 |
| Niftier | 7 |
| Niftily | 7 |
| Nifty | 5 |
| Nifty bridge play | 17 |
| Nifty in the '50s | 21 |
| Nifty like a broach? | 20 |
| Nifty type of smell | 19 |
| Nifty wrestling move? | 21 |
| Nifty, in the '50s | 22 |
| Nifty, in the 50's | 22 |
| Nifty, to a flapper | 19 |
| Nifty, to The Beave | 19 |
| Nifty, to winetasters? | 22 |
| Nigel, in the animated movie "The Wild" | 49 |
| Nigella serves this type of cream with scones | 45 |
| Niger end? | 10 |
| Niger locale | 12 |
| Niger native | 12 |
| Niger natives | 13 |
| Niger neighbor | 14 |
| Niger River mouth | 17 |
| Niger tributary | 15 |
| Niger valley natives | 20 |
| Niger's neighbor | 20 |
| Niger's neighbor to the south | 33 |
| Niger's western neighbor | 28 |
| Niger-area people | 17 |
| Niger-Congo fish | 16 |
| Niger-Congo language | 20 |
| Niger-to-Egypt dir. | 19 |